There are
1,883 mi
from Rancho Cucamonga, CA to Chatham, IL
That's the driving distance. It would take 1 day 8 hours to go from Rancho Cucamonga, California to Chatham, Illinois.
The flight distance (direct flight from Rancho Cucamonga, CA to Chatham, IL) is 1,581.43 mi.
1,883 mi = 1.61 kms